A: No. The 64-bit version simply allows your program to use more memory. There is no real advantage to 64-bit unless you want to fetch a one-billion-row table all into memory on your PC within a Toad data grid. Keep in mind that your version of Toad should match your version of Oracle client (32-bit/64-bit).
Identity Security Risk Assessment
Get a free AD security assessment to evaluate your environment and identify the most actionable issues.
Related Articles

Oracle Reducing Contention for the Cache Buffer Chains Latch
How to Identify a Buffer Cache Chain Latch Problem Internally, Oracle uses various types of structures to control access to elements of the databases including latches and various types of enqueuein...

A New Test Run Wizard for SQL Optimizer for Oracle
In SQL Optimizer for SQL Server we have built a very useful test run wizard (see my blog post Test Running a Tuned SQL is Not An Easy Job”) to help users select the best SQL alternatives for their spe...

A Next-generation Agile Database for the Cloud – AWS DynamoDB
With the increasing scale of data stored by web scale applications, several NoSQL databases have become available. The NoSQL databases are different from the relational databases (such as Oracle datab...